title: Misquoting Page's classification for placental abruption in Japan?
authors.forename: Shigeki
authors.initials: S
authors.lastname: Matsubara
authors.forename: Rie
authors.initials: R
authors.lastname: Usui
authors.forename: Akihide
authors.initials: A
authors.lastname: Ohkuchi
mesh_terms: D000037:Abruptio Placentae / Q000175:diagnosis*; D005260:Female; D006801:Humans; D007564:Japan; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000145:classification*; D012720:Severity of Illness Index